Transportable device for storing and delivering oxygen

Abstract

A transportable device for storing and delivering oxygen includes a casing ( 3 ) containing a cryogenic tank ( 1 ) designed to contain liquid oxygen, a heating circuit connected to the tank ( 1 ) including at least one member ( 2, 12 ) for heating/vaporizing the oxygen originating from the tank ( 1 ) for the purpose of its being supplied to a user. The device includes a pedestal ( 4 ) furnished with at least one rolling member ( 5 ) for allowing the displacement by rolling of the device, the pedestal ( 4 ) and the casing ( 3 ) including conjugate coupling members ( 6, 16; 7, 17 ) displaceable between an active position of locking of the casing ( 3 ) on the pedestal ( 4 ) and an inactive position of unlatching of the casing ( 3 ) relative to the pedestal ( 4 ).

1 . Transportable device for storing and delivering oxygen comprising a casing ( 3 ) containing a cryogenic tank ( 1 ) designed to contain liquid oxygen, a heating circuit connected to the tank ( 1 ) comprising at least one member ( 2 ,  12 ) for heating/vaporizing the oxygen originating from the tank ( 1 ) for the purpose of its being supplied to a user, characterized in that it comprises a pedestal ( 4 ) furnished with at least one rolling member ( 5 ) for allowing the displacement by rolling of the device, the pedestal ( 4 ) and the casing ( 3 ) comprising conjugate coupling members ( 6 ,  16 ;  7 ,  17 ) displaceable between an active position of locking of the casing ( 3 ) on the pedestal ( 4 ) and an inactive position of unlatching of the casing ( 3 ) relative to the pedestal ( 4 ). 
   
   
       2 . Device according to  claim 1 , characterized in that the conjugate coupling members ( 6 ,  16 ;  7 ,  17 ) carried respectively on the pedestal ( 4 ) and the casing ( 3 ) comprise a system with at least one moveable piece ( 16 ) and a housing ( 17 ) forming a stop for said moveable piece ( 16 ), the moveable piece ( 16 ) being displaceable between a position of cooperation with the housing ( 17 ) and a retracted position of noncooperation with the housing ( 17 ). 
   
   
       3 . Device according to  claim 1 , characterized in that it comprises a control member ( 8 ) coupled to the coupling members ( 6 ,  16 ;  7 ,  17 ), the control member ( 8 ) being displaceable between a first position urging the conjugate coupling members ( 6 ,  16 ;  7 ,  17 ) into an active position of locking of the casing ( 3 ) onto the pedestal ( 4 ) and a second position urging the conjugate coupling members ( 6 ,  16 ;  7 ,  17 ) into an inactive position of unlatching of the casing ( 3 ) relative to the pedestal ( 4 ). 
   
   
       4 . Device according to  claim 3 , characterized in that it comprises a restoring element ( 9 ) urging the control member ( 8 ) towards its first position. 
   
   
       5 . Device according to  claim 3 , characterized in that the control member ( 8 ) comprises a button or a pedal. 
   
   
       6 . Device according to  claim 3 , characterized in that the control member ( 8 ) is situated at the level of the pedestal ( 4 ). 
   
   
       7 . Device according to  claim 3 , characterized in that the control member ( 8 ) is connected mechanically to at least one portion of the coupling members ( 6 ,  16 ;  7 ,  17 ). 
   
   
       8 . Device according to  claim 1 , characterized in that the conjugate coupling members ( 6 ,  16 ;  7 ,  17 ) comprise at least one moveable hook ( 16 ) fixedly attached to the pedestal ( 4 ) and a conjugate housing formed in the bottom portion of the casing ( 3 ). 
   
   
       9 . Device according to  claim 1 , characterized in that the conjugate coupling members ( 6 ,  16 ;  7 ,  17 ) comprise a first moveable hook ( 16 ) and a second fixed hook ( 6 ) which are fixedly attached to the pedestal ( 4 ) and two conjugate housings formed in the bottom portion of the casing ( 3 ) and intended to cooperate respectively with the two hooks ( 6 ,  16 ). 
   
   
       10 . Device according to  claim 1 , characterized in that the bottom portion of the casing ( 3 ) comprises at least one opening and in that the top surface of the pedestal ( 4 ) exhibits a concave zone forming a volume ( 10 ) for gathering the condensates generated by the oxygen heating/vaporization members ( 2 ,  12 ). 
   
   
       11 . Device according to  claim 1 , characterized in that it comprises a first handling grip ( 11 ) situated in the top portion of the casing ( 3 ). 
   
   
       12 . Device according to  claim 11 , characterized in that the first handling grip ( 11 ) is fixedly attached to at least one axle ( 120 ) able to be unfurled or retracted relative to the casing ( 3 ) via a mechanism such as a telescopic slide mechanism. 
   
   
       13 . Device according to  claim 1 , characterized in that it comprises a circuit for filling the cryogenic tank ( 1 ) and comprising a fluidic connection member ( 14 ) such as a male or female filling connector designed to be connected to a liquid oxygen reserve. 
   
   
       14 . Device according to  claim 13 , characterized in that the fluidic connection member ( 14 ) is situated in the bottom portion of the device. 
   
   
       15 . Device according to  claim 1 , characterized in that the pedestal ( 4 ) comprises a bearing zone ( 19 ) able to rest on the ground and in that the part of the pedestal ( 4 ) intended to receive the casing ( 4 ) is situated substantially between the bearing zone ( 19 ) and the part of the pedestal provided with the rolling member ( 5 ), so as to allow on the one hand a stable holding of the device on the bearing zone ( 19 ) and the rolling member ( 5 ) and, on the other hand, the pivoting and the rolling of the device on the rolling member ( 5 ). 
   
   
       16 . Device according to  claim 1 , characterized in that the tank ( 1 ) is disposed in the bottom portion of the casing ( 3 ) and in that at least one heating and vaporization member ( 2 ,  12 ) is disposed in the bottom portion of the casing ( 3 ) and/or in the top portion of the casing ( 3 ) above the tank ( 1 ). 
   
   
       17 . Device according to  claim 2 , characterized in that it comprises a control member ( 8 ) coupled to the coupling members ( 6 ,  16 ;  7 ,  17 ), the control member ( 8 ) being displaceable between a first position urging the conjugate coupling members ( 6 ,  16 ;  7 ,  17 ) into an active position of locking of the casing ( 3 ) onto the pedestal ( 4 ) and a second position urging the conjugate coupling members ( 6 ,  16 ;  7 ,  17 ) into an inactive position of unlatching of the casing ( 3 ) relative to the pedestal ( 4 ). 
   
   
       18 . Device according to  claim 4 , characterized in that the control member ( 8 ) comprises a button or a pedal. 
   
   
       19 . Device according to  claim 4 , characterized in that the control member ( 8 ) is situated at the level of the pedestal ( 4 ). 
   
   
       20 . Device according to  claim 5 , characterized in that the control member ( 8 ) is situated at the level of the pedestal ( 4 ).